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/*
* smartcolsP.h - private library header file
*
* Copyright (C) 2014 Ondrej Oprala <ooprala@redhat.com>
* Copyright (C) 2014 Karel Zak <kzak@redhat.com>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
#ifndef _LIBSMARTCOLS_PRIVATE_H
#define _LIBSMARTCOLS_PRIVATE_H
#include "c.h"
#include "list.h"
#include "strutils.h"
#include "color-names.h"
#include "debug.h"
#include "libsmartcols.h"
/*
* Debug
*/
#define SCOLS_DEBUG_HELP (1 << 0)
#define SCOLS_DEBUG_INIT (1 << 1)
#define SCOLS_DEBUG_CELL (1 << 2)
#define SCOLS_DEBUG_LINE (1 << 3)
#define SCOLS_DEBUG_TAB (1 << 4)
#define SCOLS_DEBUG_COL (1 << 5)
#define SCOLS_DEBUG_BUFF (1 << 6)
#define SCOLS_DEBUG_ALL 0xFFFF
UL_DEBUG_DECLARE_MASK(libsmartcols);
#define DBG(m, x) __UL_DBG(libsmartcols, SCOLS_DEBUG_, m, x)
#define ON_DBG(m, x) __UL_DBG_CALL(libsmartcols, SCOLS_DEBUG_, m, x)
#define DBG_FLUSH __UL_DBG_FLUSH(libsmartcols, SCOLS_DEBUG_)
/*
* Generic iterator
*/
struct libscols_iter {
struct list_head *p; /* current position */
struct list_head *head; /* start position */
int direction; /* SCOLS_ITER_{FOR,BACK}WARD */
};
/*
* Tree symbols
*/
struct libscols_symbols {
int refcount;
char *branch;
char *vert;
char *right;
char *title_padding;
char *cell_padding;
};
/*
* Table cells
*/
struct libscols_cell {
char *data;
char *color;
void *userdata;
int flags;
};
/*
* Table column
*/
struct libscols_column {
int refcount; /* reference counter */
size_t seqnum; /* column index */
size_t width; /* real column width */
size_t width_min; /* minimal width (usually header width) */
size_t width_max; /* maximal width */
size_t width_avg; /* average width, used to detect extreme fields */
size_t width_treeart; /* size of the tree ascii art */
double width_hint; /* hint (N < 1 is in percent of termwidth) */
int flags;
int is_extreme;
char *color; /* default column color */
char *pending_data;
size_t pending_data_sz;
char *pending_data_buf;
int (*cmpfunc)(struct libscols_cell *,
struct libscols_cell *,
void *); /* cells comparison function */
void *cmpfunc_data;
struct libscols_cell header;
struct list_head cl_columns;
struct libscols_table *table;
};
/*
* Table line
*/
struct libscols_line {
int refcount;
size_t seqnum;
void *userdata;
char *color; /* default line color */
struct libscols_cell *cells; /* array with data */
size_t ncells; /* number of cells */
struct list_head ln_lines; /* table lines */
struct list_head ln_branch; /* begin of branch (head of ln_children) */
struct list_head ln_children;
struct libscols_line *parent;
};
enum {
SCOLS_FMT_HUMAN = 0, /* default, human readable */
SCOLS_FMT_RAW, /* space separated */
SCOLS_FMT_EXPORT, /* COLNAME="data" ... */
SCOLS_FMT_JSON /* http://en.wikipedia.org/wiki/JSON */
};
/*
* The table
*/
struct libscols_table {
int refcount;
char *name; /* optional table name (for JSON) */
size_t ncols; /* number of columns */
size_t ntreecols; /* number of columns with SCOLS_FL_TREE */
size_t nlines; /* number of lines */
size_t termwidth; /* terminal width */
size_t termreduce; /* extra blank space */
int termforce; /* SCOLS_TERMFORCE_* */
FILE *out; /* output stream */
char *colsep; /* column separator */
char *linesep; /* line separator */
struct list_head tb_columns;
struct list_head tb_lines;
struct libscols_symbols *symbols;
struct libscols_cell title; /* optional table title (for humans) */
int indent; /* indention counter */
int indent_last_sep;/* last printed has been line separator */
int format; /* SCOLS_FMT_* */
/* flags */
unsigned int ascii :1, /* don't use unicode */
colors_wanted :1, /* enable colors */
is_term :1, /* isatty() */
padding_debug :1, /* output visible padding chars */
maxout :1, /* maximize output */
header_printed :1, /* header already printed */
no_headings :1, /* don't print header */
no_linesep :1, /* don't print line separator */
no_wrap :1; /* never wrap lines */
};
#define IS_ITER_FORWARD(_i) ((_i)->direction == SCOLS_ITER_FORWARD)
#define IS_ITER_BACKWARD(_i) ((_i)->direction == SCOLS_ITER_BACKWARD)
#define SCOLS_ITER_INIT(itr, list) \
do { \
(itr)->p = IS_ITER_FORWARD(itr) ? \
(list)->next : (list)->prev; \
(itr)->head = (list); \
} while(0)
#define SCOLS_ITER_ITERATE(itr, res, restype, member) \
do { \
res = list_entry((itr)->p, restype, member); \
(itr)->p = IS_ITER_FORWARD(itr) ? \
(itr)->p->next : (itr)->p->prev; \
} while(0)
static inline int scols_iter_is_last(const struct libscols_iter *itr)
{
if (!itr || !itr->head || !itr->p)
return 0;
return itr->p == itr->head;
}
#endif /* _LIBSMARTCOLS_PRIVATE_H */
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